Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

Hillcrest adu houses_pcrg

17 views

Published on

Am overview of the City of Pittsburgh's first ADU Zoning Overlay (Accessory Dwellling Unit). It allows single family homes to be built or renovated with an accessory dwelling. The Home must be owner occupied and has additional limitations outlined in this presentation to the Pittsburgh Community Reinvesment Group (PCRG) 2018 Summit. The Presentation includes the design for the first three houses to be developed by Bloomfield Garfield Corporation, Designed by Pfaffmann + Associates and built by Ecocraft Modular Homes.

Published in: Design
  • Be the first to comment

  • Be the first to like this

Hillcrest adu houses_pcrg

  1. 1. How Accessory Dwelling Units Can Make Homeownership More Affordable Hillcrest ADU Houses PFAFFMANN + ASSOCIATES Rick Swartz, Executive Director, Bloomfield Garfield Corporation Corey Layman, AICP, Zoning Administrator, City Of Pittsburgh Rob Pfaffmann, FAIA, AICP Project Architect Eliot Fabri, EcoCraft Homes
  2. 2. Garfield Overview
  3. 3. Garfield Overview
  4. 4. Allegheny County 2012; 2010 Imagery Sources: Esri, HERE, DeLorme, Intermap, increment P Corp., GEBCO, Zoning Districts Zoning Districts Planned Unit Development Hillside Local Neighborhood Commercial Single-Unit Detached Residential Two-Unit Residential Parcels LotLines November 7, 2016 mjhoma 0 0.07 0.140.035 mi 0 0.085 0.170.0425 km 1:4,514 Hillcrest ADU Houses R1D-H Garfield Zoning
  5. 5. Hillcrest ADU Houses PEN N AVEN UE G A R F I E L D FRIENDSHIP Hillcrest Green Infrastructure
  6. 6. The BGC has been working on the designs for a single-family home that can be built in Garfield, and feature an accessory dwelling unit as an integral part of the structure. To build these type of homes in a residential district that has been long been zoned for single-family development requires the creation of an overlay district. Bloomfield Garfield Association PFAFFMANN + ASSOCIATES Community Review • October 26, 2017 The next generation of affordable small houses designed for change Hillcrest ADU Houses
  7. 7. City of Santa Cruz
  8. 8. State of Oregon Study
  9. 9. Existing Accessory Uses
  10. 10. Bloomfield Garfield Association PFAFFMANN + ASSOCIATES Community Review • October 26, 2017 The next generation of affordable small houses designed for change Hillcrest ADU Houses Design Process
  11. 11. 10th Ward Lawrenceville 2003 Local Planning Precedents
  12. 12. Local Planning Precedents Central Northside 2006
  13. 13. 1ST FLR 0'-0" LOFT 8'-4 3/4" SIDE ELEVATION Scale: 1/8" = 1'-0" 1 FRONT ELEVATION Scale: 1/8" = 1'-0" 2 1ST FLR 0'-0" LOFT 8'-4 3/4" LONGITUDINAL SECTION Scale: 1/8" = 1'-0" 3 10'-2" FIN.CLG.:LIVINGRM. 10'-2" FIN.CLG.:BEDROOM LOFT KITCHEN BATHROOM BEDROOMLIVING ROOM 11'-10"2'-8" MODULARTRAILOR 8'-23/4" ROOFSTRUCTURE ATTIC STORAGEOPEN TO BELOW TRANSVERSE SECTION Scale: 1/8" = 1'-0" 4 GROUND LEVEL PLAN Scale: 1/8" = 1'-0" 5 3 LIVING 4 STAIR TO LOFT 5 COAT CLOSET 6 DINING 7 KITCHEN 8 BAY WINDOW 9 BATHROOM 2 FOYER 1 ENTRY 3 21 6 10 WASHER/DRYER 9 4 5 7 8 11 10 DW S R F 12 13 14 15 11 LINEN CLOSET 12 HALL 13 STORAGE CLOSET 14 CLOTHES CLOSET 15 BEDROOM 51'-0" MODULAR 15'-9" MODULAR LOFT LEVEL PLAN Scale: 1/8" = 1'-0" 6 3 RAILING 4 MECH. / STOR. 5 LOFT 2 OPEN TO BELOW 1 STAIR 2 5 1 4 MECHANICAL / STORAGE 63 6 ATTIC STORAGE M I C R O - Z E R O - M O D U L A R PRELIMINARY PROTOTYPE CONCEPT DRAWINGS - SEPT. 2013 1ST FLR 0'-0" LOFT 8'-4 3/4" SIDE ELEVATION Scale: 1/8" = 1'-0" 1 FRONT ELEVATION Scale: 1/8" = 1'-0" 2 1ST FLR 0'-0" LOFT 8'-4 3/4" LONGITUDINAL SECTION Scale: 1/8" = 1'-0" 3 10'-2" FIN.CLG.:LIVINGRM. 10'-2" FIN.CLG.:BEDROOM LOFT KITCHEN BATHROOM BEDROOMLIVING ROOM 11'-10"2'-8" MODULARTRAILOR 8'-23/4" ROOFSTRUCTURE ATTIC STORAGEOPEN TO BELOW TRANSVERSE SECTION Scale: 1/8" = 1'-0" 4 GROUND LEVEL PLAN Scale: 1/8" = 1'-0" 5 3 LIVING 4 STAIR TO LOFT 5 COAT CLOSET 6 DINING 7 KITCHEN 8 BAY WINDOW 9 BATHROOM 2 FOYER 1 ENTRY 3 21 6 10 WASHER/DRYER 9 4 5 7 8 11 10 DW S R F 12 13 14 15 11 LINEN CLOSET 12 HALL 13 STORAGE CLOSET 14 CLOTHES CLOSET 15 BEDROOM 51'-0" MODULAR 15'-9" MODULAR 5 4 MECHANICAL / STORAGE 63 2013 Design Prototyping
  14. 14. Hillcrest Conceptual Alternatives Brainstorming 9-12-16 @2016 PFAFFMANN + ASSOCIATES ADU Shed ADU Gable
  15. 15. • Prototype; model for future projects • Deep narrow lots on sloped sites • Permanent Affordability; ADU “baked-in” • ADU Income reduces cost of ownership • New Zoning Provisions for ADU • Provide Flexible unit Programs (Size, features) • Starter homes, DINKS, Boomers w/with kids (Intergenerational) Hillcrest House Goals & Features
  16. 16. Hillcrest Houses PFAFFMANN + ASSOCIATESSite Footprint Hillcrest
  17. 17. PFAFFMANN + ASSOCIATES Site FootprintHillcrest Houses Excavation Area Hillcrest ShamrockWay EloraW ay
  18. 18. ADU Main House Gabion Garden Terrace Entry
  19. 19. Ground Level Accessory Dwelling Unit (ADU)G 550 SF 550 SF 550 SF
  20. 20. Street Level Owners Residence1 950 SF 1 BR* 950 SF 1 BR* 950 SF 1 BR*
  21. 21. Owners Residence Bedroom Loft2 400 SF 400 SF 400 SF
  22. 22. Hillcrest Houses Bloomfield Garfield Corporation PFAFFMANN + ASSOCIATES Exterior Conceptual Rendering
  23. 23. ADU Main House
  24. 24. ADU Main House Parking Yard Terrace Entry
  25. 25. Hillcrest House Features MODULAR STRUCTURE: INTERIOR The following options describe the basic components of the interior finish package of the typical pre-fab modular structure supplied by EcoCraft. • Flooring: Luxury vinyl tile laminate floor in living & dining areas • Porcelain floor tile planks in bathroom • Carpet in bedrooms • Walls & Ceilings : Painted 1/2” gypboard in all rooms • Glazed ceramic wall tile provided in bathroom as an upgrade • Trim: Painted square-edged wood base, jambs, stools, & casing • Casework: Wolf wood-veneered cabinets with all plywood substrates • Wire shelving MODULAR STRUCTURE: BUILDING SYSTEMS The following options describe the basic system concept included in the typical pre-fab modular structure supplied by EcoCraft. • HVAC: Ductless minisplit in front wall of living area serving bedroom via door grill • Ceiling fan in bedroom • Energy recovery ventilator in bathroom • Plumbing 40 gallon domestic hot water heater • Electrical & Lighting: 200 amp service; All LED lighting MODULAR STRUCTURE: SHELL The following options describe the basic components of the shell of the typical pre-fab modular structure supplied by EcoCraft. 15’-7” maximum shipping width of modular unit. Floor assembly comprised of 2x10 Wood construction with subfloor constructed of OSB with plywood top layer Exterior Wall Assembly •Structure comprised of 2x6 Wood construction with perimeter band board; •R21 unfaced batt insulation in stud cavity; Fire-rated exterior gypboard sheathing; •1” graphite impregnated foam exterior continuous insulation over sheathing; with potential upgrade to 3” for additional insulative value •Hardiboard prefinished concrete or prefinished metal siding •Ceiling assembly comprised of 2x6 Wood construction with 1/2” gypboard •Roof assembly comprised of hinged 2x8 Wood construction with 5/8” plywood deck; Titaneum synthetic roof underlayment; Ice&water shield at roof edge; 40-year Dimensional asphalt shingle; with potential upgrade to standing seam metal roof (See drawings)… •Windows & Doors: Pella Fibrex Fiberglass windows or equivalent ThermaTru insulated exterior doors with insulated glazing
  26. 26. Next Steps: Challenges Opportunities • ADU Overlay Status (Council, Conditions, Last Community Mtg) • Refining Cost Models (Market vs Subsidized) • Existing Buildings (Code Accessibility Challenges) • Implementation of Overlays (Post two years) • Combination with other Affordability Tools (CLT, Deed Restrictions) • Owner Occupancy • v2.0 Design Review • Unintended Consequences? AirBnB • How do we know when we are successful (Community Metrics)

×